OpenTechnical

OT-2026-000012682

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000012682) never changes.

Identity and time

Publication numberOT-2026-000012682 · never reused
Internal UUID01a0ae6d-5562-791a-9123-9d1af15c8bfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012682
StatusPUBLIC

Content hashes

Canonical text03e8d125bdd034a49a4a08fdad591a7c40289f55aff6f9da90f8e6ff7df549e0
Markdownd61e0eb9b65297a675c0aea4e7ee4a62322fc52c300a4f241fcb500d98cdffde
PDF
Publication page89b58a29fc01d68266c2e0c89b23d925abda5c448060a7f0888fe8896111d9e4
Manifesta1ffae975c61bc3f0f0097e7fcef14ed1d121ba33231f5aa7bfc091030f651cc

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureoL9O1idcCHI8tzTXasf7Q9aWPvvuKiI9iO2E2TFmbS3IZ6+dCexXQe1oXCEECNxgH+Cwjaz9DeiwBHb4hSc1DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:19.824619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012682
observed 89b58a29fc01d68266c2e0c89b23d925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.805113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012682/manifest.json
observed a1ffae975c61bc3f0f0097e7fcef14ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.786587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012682/publication.md
observed d61e0eb9b65297a675c0aea4e7ee4a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.766342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012682/publication.txt
observed 03e8d125bdd034a49a4a08fdad591a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.